CTR down on Adsense?

Are you guys noticing any change in CTR of Adsense in the last two weeks - last two weeks of April? As it is, the CTR on hubs is a bit low, and now I am noticing that the CTR on my hubs is getting even lower. What's your experience, Hubbers?Have you noticed any change in the click through rate on your Adsense ads?

I wondered what could be the possible reason. First I thought it might be the new "related hubs" box at the end of the article. But that doesn't make sense because the two most popular Adsense ad spots are right at the beginning of the hub. So I am perplexed. Is Google doing something that is extraordinary? My CTR is as low as 1.36% on Hubpages in these two weeks whereas I get a decent CTR on my other websites. I hope this is short term, because my earnings have fallen because of low CTR, despite pageviews on the rise.

I noticed yesterday and it continues today. Thought it was my device but don't think so. Images are loading slowly or not at all on my Kindle and desktop. It's happening with profile pics and images in hubs, questions,...

I must have missed an announcement, but I have noticed a section down the right side of my hubs (as well as other hubs) and along the bottom called "related ads". I haven't clicked on them as that is a...

Today i have noticed that my traffic to all the hubs is drastically down and i am much worried about it. Have you also noticed this? Please guide me what should i do. My traffic is lost. LOT OF BLUE DOWN ARROWS ON STATS...